From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
Directive on separating guns and mountings into distinct units and establishing drawing prefix letters.
| Identifier | ExFiles\Box 176\3\ img004 | |
| Date | 29th June 1940 | |
| C O P Y. To Hs.{Lord Ernest Hives - Chair} from Ve. C. Rm.{William Robotham - Chief Engineer} HPS.{Horace Percy Smith - Experimental Factory Mgr} G/Rb.{R. Bowen} Ev.{Ivan Evernden - coachwork} Lr{Mr Ellor}/Brns. D/L. D/BP. Rm{William Robotham - Chief Engineer}/HH. Roy{Sir Henry Royce} Rm{William Robotham - Chief Engineer}/CTS.{C. Trot Salt - Carburation} 2 Ve.3/CB.29.6.40. ROLLS ROYCE GUNS AND MOUNTINGS. Guns and mountings are now to be regarded as separate units. This will apply to projects, design, estimating, manufacture, etc.. Gun index sheets and LOPs will cover all components normally attached to the gun, excluding sights. Gun mounting index sheets and LOPs will cover all parts of the mounting up to the point of attachment to the gun and will also cover sights whether attached to the gun or to the mounting, Drawings will be issued under the following prefix letters:- Gun Schemes - QS. Gun Details - Q., QA., QB. Gun Mounting and Sight Schemes - QPL. Gun Mounting and Sight Details - QR. Ve. | ||